1. School of Physics, Beihang University, Beijing 102206, China
2. Department of Radiation Oncology, Peking University Third Hospital, Beijing 100191, China
3. Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, School of Medicine and Engineering, Beihang University, Beijing 100191, China
4. Medical Physics Graduate Program, Duke Kunshan University, Kunshan, Jiangsu 215316, China
5. Medical Management Department, CAS Ion Medical Technology Co., Ltd., Beijing 100190, China
6. Department of Health Technology and Informatics, The Hong Kong Polytechnic University, Hong Kong 999077, China.